Audio download fails in test environment

[nya-elimu]

Describe the bug
When downloading audios, the app fails:

2021-09-02 10:48:38.701 14416-14849/ai.elimu.content_provider.debug I/ai.elimu.content_provider.util.MultimediaDownloader: Downloading from http://hin.test.elimu.ai/audio/44_r1.mp3
2021-09-02 10:48:38.804 14416-14849/ai.elimu.content_provider.debug I/ai.elimu.content_provider.util.MultimediaDownloader: responseCode: 200
2021-09-02 10:48:38.829 14416-14849/ai.elimu.content_provider.debug E/AndroidRuntime: FATAL EXCEPTION: pool-3-thread-1
    Process: ai.elimu.content_provider.debug, PID: 14416
    java.lang.NoSuchMethodError: No static method withInitial(Ljava/util/function/Supplier;)Ljava/lang/ThreadLocal; in class Ljava/lang/ThreadLocal; or its super classes (declaration of 'java.lang.ThreadLocal' appears in /system/framework/core-oj.jar)
        at org.apache.commons.io.IOUtils.<clinit>(IOUtils.java:183)
        at org.apache.commons.io.IOUtils.toByteArray(IOUtils.java:2400)
        at ai.elimu.content_provider.util.MultimediaDownloader.downloadFileBytes(MultimediaDownloader.java:35)

To Reproduce
Install the debug or qa_test build variant of the app, and select Hindi as the preferred language.

Steps to reproduce the behavior:

1. Go to the menu drawer
2. Click on "Audios"
3. See error in the app's log output

Expected behavior
Audios should download. However, the app crashes.

Screenshots

Device information (please complete the following information):

• Device type: Tablet
• Device brand: Huawei
• Android version: 7.0